``` #include <stdio.h> #include <array/length-prefix.h> ``` morph_array_as_valterm_to_lenpfx (Terminator:native.UInt8) <Seq~<ValueTerminated Terminator> native.UInt8> --> <Seq~<LengthPrefix native.UInt64> native.UInt8> ``` length_prefix_uint64_t_array_uint8_t_clear(dst); while( *src != Terminator ) length_prefix_uint64_t_array_uint8_t_push(dst, *src++); return 0; ``` morph_array_as_lenpfx_to_valterm (Terminator:native.UInt8) <Seq~<LengthPrefix native.UInt64> native.UInt8> --> <Seq~<ValueTerminated Terminator> native.UInt8> ``` for( uint64_t i = 0; i < src->len; ++i ) *dst++ = src->items[i]; *dst = Terminator; return 0; ``` morph_array_as_lenpfx_to_continuation_bit (T:Type) <Seq~<LengthPrefix native.UInt64> T> --> <Seq~MsbCont T> ``` for( uint64_t i = 0; i < src->len; ++i ) { const size_t n_bits = 8*sizeof(T); if( src->items[i] & (1<<(n_bits-1)) ) { fprintf(stderr, "error: value to high for MsbContinuation\n"); return -1; } dst[i] = src->items[i]; if( i+1 < src->len ) dst[i] |= (1<<(n_bits-1)); } return 0; ```